My MacBook Pro Late 2011 screen would sometimes turn black and acts like it shuts off, but after a few seconds would trun back on and ask for my password. I would like to run a disnostics on my computer to see if there is anyhting wrong with it.
Using Apple Diagnostics
Apple Hardware Test- iMac (Mid 2007) and later models
OS X Mountain Lion- Use Apple Hardware Test
Intel-based Macs- Using Apple Hardware Test
Retrieving data ...